Method for measuring the temperature of axle bearings of vehicle

Details Method for measuring the temperature of axle bearings of vehicle Method for measuring the temperature of axle bearings of vehicle

1974-08-28

1976-12-21

Corbin, John K.

Optics: measuring and testing

Optical pyrometers

With incandescent standard

73355R, G01J 562

Patent

active

039985490

ABSTRACT:
A method of and a device for measuring the temperature of the axle bearing of a vehicle, especially of a rail vehicle while moving. The device is mounted adjacent a rail on which the vehicle runs and receives radiation from beneath the axle bearing over a strip-like range thereof of predetermined size. A detector receives the radiation after the radiation has been angularly diverted and develops an electrical signal in conformity with the value of the radiation. A modulator or interrupter ahead of the detector provides for an alternating, or pulsating, signal which is then amplified in an electronic circuit. For comparison purposes, a source of infra red radiation of known value is provided whereby the calibration of the device can be checked.

REFERENCES:
patent: 2978589 (1961-04-01), Howell
patent: 3045551 (1962-07-01), Bonanno
patent: 3303340 (1967-02-01), Hewett et al.
patent: 3461284 (1969-08-01), Jay
patent: 3621258 (1971-11-01), Dreitzler

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